Java Utililty Methods Day Between

List of utility methods to do Day Between

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Description

The list of methods to do Day Between are organized into topic(s).

Method

DategetDateDiffYear(Date date, int diff, String... format)
get Date Diff Year 
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.YEAR, diff);
return calendar.getTime();
DategetDateWithDiff(Date date, int amount)
get Date With Diff 
return getDateWithDiff(date, amount, Calendar.DATE);
intgetDaysBetween(Date date1, Date date2)
gets days between any two dates (integer form) regardless of order 
GregorianCalendar d1 = new GregorianCalendar();
d1.setTime(date1);
GregorianCalendar d2 = new GregorianCalendar();
d2.setTime(date2);
if (d1.after(d2)) {
    GregorianCalendar swap = d1;
    d1 = d2;
    d2 = swap;
...
intgetDaysBetween(Date start, Date end)
get Days Between 
if (start == null)
    return 0;
boolean negative = false;
if (end.before(start)) {
    negative = true;
    Date temp = start;
    start = end;
    end = temp;
...
intgetDaysBetween(Date start, Date end)
Calculates the number of days between start and end. 
if (start == null || end == null) {
    return -1;
Calendar startDate = convertDate(start);
truncCalendar(startDate);
Calendar endDate = convertDate(end);
truncCalendar(endDate);
long endL = endDate.getTimeInMillis() + endDate.getTimeZone().getOffset(endDate.getTimeInMillis());
...
intgetDaysBetween(Date startDate, Date endDate)
get Days Between 
int days = 0;
Calendar startCalendar = Calendar.getInstance();
startCalendar.setTime(startDate);
startCalendar.set(Calendar.HOUR_OF_DAY, 0);
startCalendar.set(Calendar.MINUTE, 0);
startCalendar.set(Calendar.SECOND, 0);
Calendar endCalendar = Calendar.getInstance();
endCalendar.setTime(endDate);
...
intgetDaysBetween(Date startDate, Date endDate)
Returns the number of calendar days between two dates. 
int daysBetween = -1;
if (startDate.after(endDate))
    return daysBetween;
Calendar c = Calendar.getInstance();
if (startDate.after(endDate))
    return daysBetween;
c.setTime(startDate);
int startYear = c.get(Calendar.YEAR);
...
intgetDaysBetweenDate(Date begin, Date end)
get Days Between Date 
int bDay = getDateField(begin, Calendar.DAY_OF_YEAR);
int eDay = getDateField(end, Calendar.DAY_OF_YEAR);
return eDay - bDay;
intgetDaysDiff(Date startDate, Date endDate)
Gets the difference in days between the given dates. 
Calendar fromCalendar = Calendar.getInstance();
fromCalendar.setTime(startDate);
fromCalendar.set(Calendar.HOUR_OF_DAY, 0);
fromCalendar.set(Calendar.MINUTE, 0);
fromCalendar.set(Calendar.SECOND, 0);
fromCalendar.set(Calendar.MILLISECOND, 0);
Calendar toCalendar = Calendar.getInstance();
toCalendar.setTime(endDate);
...
longgetDaysDifference(final Date begin, final Date end)
Calculate diff in days between dates. 
long milliseconds;
long days;
final Calendar calendarBegin = new GregorianCalendar();
final Calendar calendarEnd = new GregorianCalendar();
calendarBegin.setTime(begin);
calendarBegin.set(Calendar.HOUR_OF_DAY, 0);
calendarBegin.set(Calendar.MINUTE, 0);
calendarBegin.set(Calendar.SECOND, 0);
...